From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mika Westerberg <mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Subject: Re: Acer Aspire V7-582PG (Haswell,
 GTX 750M) fails to power off GPU via Power Resources
Date: Fri, 28 Oct 2016 17:10:00 +0300
Message-ID: <20161028141000.GE23812@lahna.fi.intel.com>
References: <20161027090604.GB27017@al>
 <CANni8hdMs4pL0m6FrgeyJjE2R2C=6PaHbVbMVoUU+NszJuf9OA@mail.gmail.com>
 <20161027093011.GZ1476@lahna.fi.intel.com>
 <CANni8her35iORgrZOkDzxhfVaOOzObTLG2Ly0kkNZPDTrbyfQQ@mail.gmail.com>
 <20161027095508.GA1476@lahna.fi.intel.com>
 <20161027160648.GF27017@al>
 <20161028085630.GD1476@lahna.fi.intel.com>
 <20161028110930.GA1521@al>
 <20161028111907.GD23812@lahna.fi.intel.com>
 <20161028123041.GB1521@al>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
Content-Disposition: inline
In-Reply-To: <20161028123041.GB1521@al>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/nouveau>,
 <mailto:nouveau-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/nouveau>
List-Post: <mailto:nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
List-Help: <mailto:nouveau-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/nouveau>,
 <mailto:nouveau-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=subscribe>
Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Sender: "Nouveau" <nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
To: Peter Wu <peter-VTkQYDcBqhK7DlmcbJSQ7g@public.gmane.org>
Cc: Rick Kerkhof <rick.2889-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Robert Moore <Robert.Moore-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Lv Zheng <lv.zheng-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
List-Id: linux-acpi@vger.kernel.org
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From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-acpi-owner@vger.kernel.org>
Date: Fri, 28 Oct 2016 17:10:00 +0300
From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Peter Wu <peter@lekensteyn.nl>
Cc: Rick Kerkhof <rick.2889@gmail.com>, linux-acpi@vger.kernel.org,
        nouveau@lists.freedesktop.org, linux-pci@vger.kernel.org,
        Robert Moore <Robert.Moore@intel.com>,
        Lv Zheng <lv.zheng@intel.com>
Subject: Re: Acer Aspire V7-582PG (Haswell, GTX 750M) fails to power off GPU
 via Power Resources
Message-ID: <20161028141000.GE23812@lahna.fi.intel.com>
References: <20161027090604.GB27017@al>
 <CANni8hdMs4pL0m6FrgeyJjE2R2C=6PaHbVbMVoUU+NszJuf9OA@mail.gmail.com>
 <20161027093011.GZ1476@lahna.fi.intel.com>
 <CANni8her35iORgrZOkDzxhfVaOOzObTLG2Ly0kkNZPDTrbyfQQ@mail.gmail.com>
 <20161027095508.GA1476@lahna.fi.intel.com>
 <20161027160648.GF27017@al>
 <20161028085630.GD1476@lahna.fi.intel.com>
 <20161028110930.GA1521@al>
 <20161028111907.GD23812@lahna.fi.intel.com>
 <20161028123041.GB1521@al>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
In-Reply-To: <20161028123041.GB1521@al>
Sender: linux-acpi-owner@vger.kernel.org
List-ID: <linux-pci.vger.kernel.org>

On Fri, Oct 28, 2016 at 02:30:41PM +0200, Peter Wu wrote:
> It was correctly applied. I did some testing with QEMU, it seems that
> the \_OSI check is problematic. Removing it makes things work again.

I hope Bob and Lv can answer why _OSI fails.

In the meantime I think we should check flags.power_resources in nouveau
driver (in addition to _PR3) so that it falls back to _DSM if there are
no power resources (or if we failed to evaluate them for some reason).